628641

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1019200

約数和(自身を除く): 390559

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 199, 243, 351, 597, 1053, 1791, 2587, 3159, 5373, 7761, 16119, 23283, 48357, 69849, 209547, 628641]

約数ペア:

[(1, 628641), (3, 209547), (9, 69849), (13, 48357), (27, 23283), (39, 16119), (81, 7761), (117, 5373), (199, 3159), (243, 2587), (351, 1791), (597, 1053)]